IAONA Industrial Ethernet -Planning and Installation GuideVersion 4.0, October 2003Published by IAONA e.V.Based on the work of IAONAs Joint Technical WorkingGroup (JTWG) Wiring Infrastructure.Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to provide supporting documen-tation.The following parties have contributed to this document: